DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yoon, YH | - |
dc.contributor.author | Shin, T | - |
dc.contributor.author | Shin, EY | - |
dc.contributor.author | Kang, H | - |
dc.contributor.author | Yoo, JS | - |
dc.contributor.author | Park, SM | - |
dc.date.accessioned | 2016-04-01T01:39:41Z | - |
dc.date.available | 2016-04-01T01:39:41Z | - |
dc.date.created | 2009-03-13 | - |
dc.date.issued | 2007-04-01 | - |
dc.identifier.issn | 0013-4686 | - |
dc.identifier.other | 2007-OAK-0000006803 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/23425 | - |
dc.description.abstract | We constructed a miniaturized potential probe from a gold electrode of nanometer size and a potentiometer with high input impedance and examined its performance for reading the electrochemical potential of solutions. Electrochemical potential of the solution was changed either by varying the ratio of a Fe(CN)(6)(3-) /Fe(CN)(6)(4-) redox couple in solution or by changing the inner potential of the solution through the electrode bias control. The response of a probe to these potential changes was measured. The probe impedance was estimated from the dynamic response to a step-function change in solution potential. The interfacial resistance of a probe increased with decrease in the probe size and the redox concentration, showing 10(10) to 10(12) Omega for the probes with a radius of 50-400 nm in 0.5-10 mM solutions. The interfacial resistance originated mostly from charge transfer reactions for such tiny probes. Owing to high interfacial resistance, the potential measured by a probe exhibited an overpotential as compared to the open circuit potential (ocp) of solution. It is demonstrated that the dynamic response offers a versatile means to characterize a nanometer potential probe and to calibrate the overpotential appearing in the potential measurement under the working condition. (c) 2007 Elsevier Ltd. All rights reserved. | - |
dc.description.statementofresponsibility | X | - |
dc.language | English | - |
dc.publisher | PERGAMON-ELSEVIER SCIENCE LTD | - |
dc.relation.isPartOf | ELECTROCHIMICA ACTA | - |
dc.subject | ultramicroelectrode | - |
dc.subject | open circuit potential | - |
dc.subject | inner potential | - |
dc.subject | interface | - |
dc.subject | charge transfer reaction | - |
dc.subject | ELECTRON-TRANSFER | - |
dc.subject | FABRICATION | - |
dc.subject | DIMENSIONS | - |
dc.title | A nanometer potential probe for the measurement of electrochemical potential of solution | - |
dc.type | Article | - |
dc.contributor.college | 화학과 | - |
dc.identifier.doi | 10.1016/J.ELECTRA.20 | - |
dc.author.google | Yoon, YH | - |
dc.author.google | Shin, T | - |
dc.author.google | Shin, EY | - |
dc.author.google | Kang, H | - |
dc.author.google | Yoo, JS | - |
dc.author.google | Park, SM | - |
dc.relation.volume | 52 | - |
dc.relation.issue | 14 | - |
dc.relation.startpage | 4614 | - |
dc.relation.lastpage | 4621 | - |
dc.contributor.id | 10200281 | - |
dc.relation.journal | ELECTROCHIMICA ACTA | - |
dc.relation.index | SCI급, SCOPUS 등재논문 | - |
dc.relation.sci | SCI | - |
dc.collections.name | Journal Papers | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | ELECTROCHIMICA ACTA, v.52, no.14, pp.4614 - 4621 | - |
dc.identifier.wosid | 000246021400002 | - |
dc.date.tcdate | 2019-01-01 | - |
dc.citation.endPage | 4621 | - |
dc.citation.number | 14 | - |
dc.citation.startPage | 4614 | - |
dc.citation.title | ELECTROCHIMICA ACTA | - |
dc.citation.volume | 52 | - |
dc.contributor.affiliatedAuthor | Park, SM | - |
dc.identifier.scopusid | 2-s2.0-33947161506 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 8 | - |
dc.type.docType | Article | - |
dc.subject.keywordPlus | ELECTRON-TRANSFER | - |
dc.subject.keywordPlus | FABRICATION | - |
dc.subject.keywordPlus | DIMENSIONS | - |
dc.subject.keywordAuthor | ultramicroelectrode | - |
dc.subject.keywordAuthor | open circuit potential | - |
dc.subject.keywordAuthor | inner potential | - |
dc.subject.keywordAuthor | interface | - |
dc.subject.keywordAuthor | charge transfer reaction | - |
dc.relation.journalWebOfScienceCategory | Electrochemistry | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Electrochemistry | - |
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